ARM: dts: omap4: Add McBSP entries

Create the sections describing the McBSP ports to be able to use them via
DT.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>

arch/arm/boot/dts/omap4.dtsi

@@ -287,6 +287,53 @@ dmic: dmic@4012e000 {
 			ti,hwmods = "dmic";
 		};
 
+		mcbsp1: mcbsp@40122000 {
+			compatible = "ti,omap4-mcbsp";
+			reg = <0x40122000 0xff>, /* MPU private access */
+			      <0x49022000 0xff>; /* L3 Interconnect */
+			reg-names = "mpu", "dma";
+			interrupts = <0 17 0x4>;
+			interrupt-names = "common";
+			interrupt-parent = <&gic>;
+			ti,buffer-size = <128>;
+			ti,hwmods = "mcbsp1";
+		};
+
+		mcbsp2: mcbsp@40124000 {
+			compatible = "ti,omap4-mcbsp";
+			reg = <0x40124000 0xff>, /* MPU private access */
+			      <0x49024000 0xff>; /* L3 Interconnect */
+			reg-names = "mpu", "dma";
+			interrupts = <0 22 0x4>;
+			interrupt-names = "common";
+			interrupt-parent = <&gic>;
+			ti,buffer-size = <128>;
+			ti,hwmods = "mcbsp2";
+		};
+
+		mcbsp3: mcbsp@40126000 {
+			compatible = "ti,omap4-mcbsp";
+			reg = <0x40126000 0xff>, /* MPU private access */
+			      <0x49026000 0xff>; /* L3 Interconnect */
+			reg-names = "mpu", "dma";
+			interrupts = <0 23 0x4>;
+			interrupt-names = "common";
+			interrupt-parent = <&gic>;
+			ti,buffer-size = <128>;
+			ti,hwmods = "mcbsp3";
+		};
+
+		mcbsp4: mcbsp@48096000 {
+			compatible = "ti,omap4-mcbsp";
+			reg = <0x48096000 0xff>; /* L4 Interconnect */
+			reg-names = "mpu";
+			interrupts = <0 16 0x4>;
+			interrupt-names = "common";
+			interrupt-parent = <&gic>;
+			ti,buffer-size = <128>;
+			ti,hwmods = "mcbsp4";
+		};
+
 		keypad: keypad@4a31c000 {
 			compatible = "ti,omap4-keypad";
 			ti,hwmods = "kbd";